Authorities swept in with flash-bangs and tear gas grenades to disperse hundreds of protesters in Los Angeles.

A U.S. Northern Command spokesman said the 2nd Battalion, 7th Marines were expected to head out by trucks to Los Angeles Monday night.

Defense Secretary Pete Hegseth warned that Marines from nearby Camp Pendleton were ready to deploy if necessary.

A cloud of uncertainty is hanging over Los Angeles, where questions remain over the role that Marines and National Guard troops will play after being called in by President Donald

President Trump is doubling the number of National Guard troops being deployed to immigration protests in Los Angeles, and adding 700 Marines. There has been a fourth night of protests over the deportation sweeps by federal agents.

About 1,700 National Guard troops are on site in the greater Los Angeles area, and 700 Marines were activated to join them in their mission in Los Angeles, the military said in a statement.

More than 700 Marines based out of the Marine Corps Air Ground Combat Center in California have been mobilized to respond to the protests in Los Angeles, according to three people familiar with the matter,

Sen. Alex Padilla, D-Calif., has continued to defend himself and refute the claims by the Trump administration that he crashed Homeland Security Secretary Kristi Noem's news conference before federal officers shoved him outside the room, pushed him onto the floor and handcuffed him.